Equity:

3 Months Ended

Mar. 31, 2019

Statement of Stockholders' Equity [Abstract]

Equity

EQUITY

A summary of the changes in equity is as follows:

Three Months Ended March 31, 2019	Common Stock			Treasury Stock
(in thousands except share amounts)	Shares	Value		Shares		Value			Additional Paid in Capital			Retained Earnings			AOCI			Non controlling Interest			Total
December 31, 2018	60,048,567	$	60,049	44,253		$	(2,510	)	$	1,450,569		$	700,396		$	(26,916	)	$	105,835		$	2,287,423
Net income (loss) available for common stock	—	—		—		—			—			103,808			—			3,554			107,362
Other comprehensive income (loss), net of tax	—	—		—		—			—			—			457			—			457
Dividends on common stock ($0.505 per share)	—	—		—		—			—			(30,332		)	—			—			(30,332		)
Share-based compensation	48,956	49		(20,497	)	1,078			(589		)	—			—			—			538
Issuance of common stock	280,497	280		—		—			19,719			—			—			—			19,999
Issuance costs	—	—		—		—			(289		)	—			—			—			(289		)
Cumulative effect of ASU 2016-02, Leases implementation	—	—		—		—			—			3,390			—			—			3,390
Distributions to noncontrolling interest	—	—		—		—			—			—			—			(4,846		)	(4,846		)
March 31, 2019	60,378,020	$	60,378	23,756		$	(1,432	)	$	1,469,410		$	777,262		$	(26,459	)	$	104,543		$	2,383,702

Three Months Ended March 31, 2018	Common Stock			Treasury Stock
(in thousands except share amounts)	Shares	Value		Shares	Value			Additional Paid in Capital		Retained Earnings			AOCI			Non controlling Interest			Total
December 31, 2017	53,579,986	$	53,580	39,064	$	(2,306	)	$	1,150,285	$	548,617		$	(41,202	)	$	111,232		$	1,820,206
Net income (loss) available for common stock	—	—		—	—			—		133,004			—			3,630			136,634
Other comprehensive income (loss), net of tax	—	—		—	—			—		—			1,260			—			1,260
Dividends on common stock ($0.475 per share)	—	—		—	—			—		(25,444		)	—			—			(25,444		)
Share-based compensation	64,770	65		14,895	(743		)	1,433		—			—			—			755
Dividend reinvestment and stock purchase plan	4,061	4		—	—			215		—			—			—			219
Other stock transactions	—	—		—	—			—		(16		)	18			—			2
Distributions to noncontrolling interest	—	—		—	—			—		—			—			(5,648		)	(5,648		)
March 31, 2018	53,648,817	$	53,649	53,959	$	(3,049	)	$	1,151,933	$	656,161		$	(39,924	)	$	109,214		$	1,927,984

At-the-Market Equity Offering Program

Our ATM equity offering program allows us to sell shares of our common stock with an aggregate value of up to $300 million. The shares may be offered from time to time pursuant to a sales agreement dated August 4, 2017. Shares of common stock are offered pursuant to our shelf registration statement filed with the SEC. During the three months ended March 31, 2019, we issued a total of 280,497 shares of common stock under the ATM equity offering program for $20 million, net of $0.2 million in commissions. As of March 31, 2019, there were no shares that were sold, but not settled.